57 entries under puzzle topic. ×

3
mind-boggler(noun, challenge, question, example)
3
puzzler(noun, difficulty, challenge, question)
3
stickler(noun, difficulty, challenge, question, secret)
2
crux(difficulty, question, secret, obscurity)
2
sixty-four-thousand-dollar question(expression, question, secret, subtlety)
2
teaser(noun, difficulty, challenge, question, secret)
2
tough nut to crack(expression, idiom, question, secret)
2
twister(noun, difficulty, challenge, question, secret)
1
abstruseness(difficulty, question, secret, subtlety)
1
braintwister(difficulty, question, secret, subtlety)
1
case(noun, riddle, enigma)
1
charade(question, secret, subtlety, mystery)
1
chiller(difficulty, question, secret, subtlety)
1
cliffhanger(difficulty, question, secret, obscurity)
1
difficulty(question, secret, obscurity, subtlety)
1
grabber(noun, difficulty, challenge, question, secret)
1
inscrutability(difficulty, question, secret, subtlety)
1
inscrutableness(difficulty, question, secret, subtlety)
1
intricacy(noun, challenge, question, example)
1
matter(noun, riddle, enigma)
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APASmart Define. (2016). poser thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/poser/thesaurus/synonyms
ChicagoSmart Define. 2016. "poser thesaurus" https://smartdefine.org/poser/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, poser thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/poser/thesaurus/synonyms>.
MLASmart Define. "poser thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/poser/thesaurus/synonyms>